Rijndael in class library (package) not available for .NET Core

Please help me. Where to find the Rijndael Security Cryptography in .NET Core?

What dependency I must to include in my class library (Package) project?


The Rijndael implementation is not (yet) ported to .NET Core. You could use AES (which is a subset of Rijndael) using the System.Security.Cryptography.Algorithms package which targets netstandard1.3:

var aes = System.Security.Cryptography.Aes.Create();

Note: you should only add this package dependency to the netstandard1.3 TFM, as it exists in the core library of the full framework already:

"netstandard1.3": {
  "dependencies": {
    "System.Security.Cryptography.Algorithms": "4.2.0"

Have you looked in System.Security. You will need to add an assembly reference to this DLL.

System.Security.Cryptography.Rijndael x = System.Security.Cryptography.Rijndael.Create();

Check here:


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